About 80 percent of what children learn is done with their eyes, according to the website allaboutvision.com. Most schools provide vision screenings and check distance and reading vision in young children. However, more extensive testing is...
Cholesterol can be found in the walls of cells and can be used to create bile acids and certain hormones, according to VirtualMedicalCentre.com. Cholesterol is important to the functioning of your body; however, high cholesterol levels can elevate...
During an eye examination, the doctor looks through the pupils to physically inspect the anterior chamber of the eyes. By use of dilating drops, he can temporarily paralyze the muscles that control the iris, roughly doubling the size of the...
Increased eye pressure can cause a condition called glaucoma. As the second most common cause of blindness, glaucoma may not exhibit any signs or symptoms of the condition until permanent damage occurs, according to the Mayo Clinic. The high...
There are several underlying causes that can result in symptoms of headaches and sore eyes. An examination by a health-care professional is often necessary to determine if these symptoms are due to a serious health condition. Three factors can be...
Your baby's eyes begin forming just two weeks after conception, according to University of Illinois at Chicago Department of Ophthalmology and Visual Sciences. He will likely have eye drops administered shortly after birth and may need them again...
During a regular health check-up, your health care provider may perform basic eye tests, such as asking you to read an eye chart, or he may look in your eyes with a hand-held scope. These basic eye checks may help detect significant vision changes...
Contact lenses are a prescription item used to correct vision problems. A contact lens prescription contains more information than an eyeglasses prescription, because the measurements of the eye are very important when fitting contact lenses. When...
White discharge from the eye eye can be an indication of several underlying conditions. Eye irritation in general often causes excessive tearing, and likewise mild discharge can be a normal finding. If the discharge is excessive or presents...
A detached retina is a medical emergency requiring examination and treatment by an ophthalmologist as soon as possible. The retina is the layer of cells at the back of the eye that contains the cells that transmit visual information to the brain....
Your body makes its own cholesterol, which it needs to function properly; however, cholesterol is also found in many foods. If you consume excess cholesterol, this waxy substance may build up in your arteries, narrowing them and putting you at...
Many people have eye conditions that affect the health of the eye, often resulting in vision loss. Routine eye exams help doctors monitor for any changes in vision or other signs of disease, but if a person has good vision and no discomfort, she...
Regular eye tests in children are important in preventing long-term vision damage. As the American Academy of Ophthalmology explains, children's brains require clear images from both eyes in order for vision to develop normally. If these images...
Myopia, or nearsightedness, is the term for having good near vision but poor distance vision. This is not an eye disease and relates mostly to the shape of your eye. A myopic eye is not perfectly round, but instead has a longer shape, causing the...
The retina contains light-sensitive cells and other types of cells that transmit nerve impulses to the brain. When the retina becomes detached from the back of the eye, it peels away and affects vision. This can be caused by trauma to the eye,...
The medication Iressa which is also known as gefitinib is a targeted therapy used to treat non-small cell lung cancer in patients who have failed other treatment according to the Mayo Clinic. All medications have some side effects and Iressa has...
Newborns do not have clear vision, but your baby's eyes will adjust, reaching her best vision over a few weeks or months. Although infants cannot read letters on an eye chart or communicate how well or how poorly they see, young children still...
Swelling of the optic nerve can be caused by increased pressure inside the head. This type of swelling caused by increased pressure is called papilledema, and when found during an eye examination, an immediate search for the cause is necessitated....
Ocular hypertension, or OHT, results when the production of the eye's aqueous fluid exceeds the rate of drainage through a system called the canals of Schlemm. Because intraocular pressure rises slowly, people do not often realize there is a...
American Academy of Pediatrics, the American Academy of Ophthalmology and the American Association for Pediatric Ophthalmology and Strabismus all recommend examination of the eyes of a newborn. Vision testing of newborns is heartily endorsed by...
Systane is an over-the-counter lubricating eye drop that is effective for use in the treatment of dry eye symptoms. It is available in several formulations to provide relief based on the severity of an individual's particular eye condition. Many...
Twitching eyelids, also called blephrospams or myokymia, often causes frustration and annoyance to anyone who experiences the condition. The twitches typically come and go throughout the day, and they may continue for a few weeks. Doctors do not...
Maintaining healthy eyes and good vision requires routine eye examinations. Eye care professionals gather each patient's medical information, such as allergies to medications, to monitor eye health, but also to avoid complications from any part of...
The human body requires some amount of cholesterol to keep cells healthy. If you have too much cholesterol in your blood, the excess may adhere to the lining of your blood vessels, leading to narrow vessels that could put you at risk for serious...
The eyes not only provide visual images of the world, but they may also give clues to other health conditions. Eye exams allow eye care professionals to ensure the best possible vision and eye health. If an eye doctor looks in the eye and notes...
The eye's defense against many infections and foreign bodies usually appears in the form of discharge in the corner. The color of the discharge may vary, though it often appears yellow. Knowing about yellow eye discharge and different symptoms...
Toddlers use the information gathered from what they see to develop motor skills such as stacking blocks, drawing and preparing for future school activities, according to the American Optometric Association. Although they can't read words, their...
In order for a child to have normal vision and development, an eye doctor should examine the child's eye regularly. There are conditions that commonly occur in infants that, if diagnosed early, can be successfully treated. Some of these diseases...
Color blindness is the inability to see certain colors and predominantly affects males. Get professional tips and advice on living with and testing for color blindness in this video.
